SOLUTION: how can i write this (4/5)^x+1 *(5/4)^x in scientific notation

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Question 840538: how can i write this (4/5)^x+1 *(5/4)^x in scientific notation

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
how can i write this (4/5)^x+1 *(5/4)^x in scientific notation
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(4/5)^(x+1) * (5/4)^x
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= (4/5)^x * (4/5) * (5/4)^x
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= [(4/5)(5/4)]^x * (4/5)
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= [1]^x*(4/5)
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= 1*4/5 = 4/5 = 0.8
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= 8.0*10^-1
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Cheers,
Stan H.
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